Ecco la mia versione, ancora migliorabile s’intende:
`\documentclass{article}
\usepackage{booktabs}
\begin{document}
{\newcommand{\ctitle}[1]{\multicolumn{1}{c}{\textbf{#1}}}
\newcommand{\headerssd}{& \ctitle{Mean} & \ctitle{SSD} & \ctitle{ASD} & \ctitle{Range}}
\newcommand\ee{\textsc{ee }}
\footnotesize
\setlength{\tabcolsep}{3.2pt}
\begin{tabular}{*{10}{r}}
\multicolumn{5}{c}{\textbf{HR cooperative control}}\\\midrule
\headerssd\\\midrule
Marker ($\%$) & 84.6 & 6.2 & +6.9/-6.5 & 72.7-92.3 \\
Time (s) & 298 & 95 & +81/-69 & 157-499 \\
Distance (m) & 2.6 & 1.2 & +1.1/-1.2 & 1-5.2 \\
$\#$MLLs & 3.5 & 1.5 & +1.7/-1.8 & 0-6 \\
\ee velocity (mm/s) & 8.9 & 3.4 & +2.9/-3.5 & 5.4-16.5 \\\bottomrule
\\
\multicolumn{5}{c}{\textbf{3D Connexion T. control}}\\\midrule
\headerssd\\\midrule
Marker ($\%$) & 79.6 & 11.3 & +11.2/-11.7 & 55.6-92.3 \\
Time (s) & 440 & 124 & +148/-146 & 264-707 \\
Distance (m) & 1.3 & 0.4 & +0.5/-0.5 & 0.7-2.0 \\
$\#$MLLs & 1.9 & 1.2 & +1.1/-0.9 & 0-4 \\
\ee velocity (mm/s) & 3.0 & 0.8 & +0.6/-0.6 & 2.0-5.1 \\\bottomrule
\\
\multicolumn{5}{c}{\textbf{Phantom T. control}}\\\midrule
\headerssd\\\midrule
Marker ($\%$) & 79.6 & 10.6 & +12.8/-12.2 & 55.6-90.9 \\
Time (s) & 573 & 216 & +172/-182 & 280-1006 \\
Distance (m) & 1.1 & 0.5 & +0.5/-0.47 & 0.4-2.2 \\
$\#$MLLs & 2.0 & 1.1 & +1/-0.9 & 0-4 \\
\ee velocity (mm/s) & 1.9 & 0.7 & +0.9/-0.8 & 1.1-3.7 \\\bottomrule
\end{tabular}
}
\end{document}`
Bye